/* ============ TOKENS ============ */
:root{
  --bg: #F7F2E7;
  --bg-alt: #FFFFFF;
  --surface: #FFFFFF;
  --surface-2: #F0E9D8;
  --text: #14302B;
  --text-muted: #4B615C;
  --primary: #045D4E;   /* UNJ teal */
  --primary-2: #0B7A64;
  --gold: #D8A527;      /* UNJ gold */
  --gold-2: #F0C33C;
  --red: #C23B22;       /* UNJ flame red */
  --border: rgba(20,48,43,0.12);
  --shadow: 0 20px 50px rgba(20,48,43,0.12);
  --overlay: rgba(10,25,22,0.85);
  --card-grad: linear-gradient(155deg, #ffffff 0%, #f2ead6 100%);
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg: #081714;
    --bg-alt: #0C201B;
    --surface: #0F2721;
    --surface-2: #123029;
    --text: #F3ECD9;
    --text-muted: #9FB6AF;
    --primary: #2FBE9E;
    --primary-2: #45D6B4;
    --gold: #F0C33C;
    --gold-2: #FFD966;
    --red: #FF6E52;
    --border: rgba(240,236,217,0.12);
    --shadow: 0 20px 50px rgba(0,0,0,0.45);
    --overlay: rgba(4,10,9,0.9);
    --card-grad: linear-gradient(155deg, #123029 0%, #0C201B 100%);
    color-scheme: dark;
  }
}
:root[data-theme="dark"]{
  --bg: #081714;
  --bg-alt: #0C201B;
  --surface: #0F2721;
  --surface-2: #123029;
  --text: #F3ECD9;
  --text-muted: #9FB6AF;
  --primary: #2FBE9E;
  --primary-2: #45D6B4;
  --gold: #F0C33C;
  --gold-2: #FFD966;
  --red: #FF6E52;
  --border: rgba(240,236,217,0.12);
  --shadow: 0 20px 50px rgba(0,0,0,0.45);
  --overlay: rgba(4,10,9,0.9);
  --card-grad: linear-gradient(155deg, #123029 0%, #0C201B 100%);
  color-scheme: dark;
}

/* ============ RESET ============ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.6;
  overflow-x:hidden;
  transition:background .5s ease,color .5s ease;
  padding-top:env(safe-area-inset-top);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-family:'Space Grotesk',system-ui,sans-serif;line-height:1.15;letter-spacing:-0.01em;}
::selection{background:var(--gold);color:#14302B;}
::-webkit-scrollbar{width:9px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:10px;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}

.wrap{max-width:1080px;margin:0 auto;padding:0 22px;}

/* ============ PROGRESS BAR ============ */
#progressBar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--gold),var(--red),var(--primary));
  z-index:9999;transition:width .1s linear;
}

/* ============ NAVBAR ============ */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:900;
  padding:16px 0;transition:.4s ease;
}
.navbar.scrolled{
  background:color-mix(in srgb, var(--bg-alt) 88%, transparent);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 4px 24px rgba(0,0,0,0.08);
  padding:11px 0;
  border-bottom:1px solid var(--border);
}
.nav-inner{
  max-width:1080px;margin:0 auto;padding:0 22px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.25rem;
  display:flex;align-items:center;gap:8px;
  color:var(--text);
}
.brand span{color:var(--gold);}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--red);display:inline-block;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.3);}}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  padding:9px 16px;border-radius:30px;font-size:.92rem;font-weight:500;
  color:var(--text-muted);position:relative;transition:.3s;
}
.nav-link:hover,.nav-link.active{color:var(--text);background:var(--surface-2);}
.theme-toggle{
  width:38px;height:38px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;font-size:1.05rem;
  margin-left:8px;transition:.3s;border:1px solid var(--border);
}
.theme-toggle:active{transform:scale(.88);}
.hamburger{
  display:none;flex-direction:column;gap:5px;width:34px;height:34px;
  align-items:center;justify-content:center;z-index:950;
}
.hamburger span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.35s;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  overflow:hidden;padding:120px 0 80px;
}
.hero-bg{
  position:absolute;inset:-10% -5%;z-index:0;
  background-image:
    radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--gold) 22%, transparent) 0%, transparent 45%),
    radial-gradient(circle at 85% 15%, color-mix(in srgb, var(--primary) 28%, transparent) 0%, transparent 50%),
    radial-gradient(circle at 75% 85%, color-mix(in srgb, var(--red) 18%, transparent) 0%, transparent 45%);
  will-change:transform;
}
.blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;z-index:0;}
.blob1{width:280px;height:280px;background:var(--primary);top:8%;left:-8%;animation:float1 14s ease-in-out infinite;}
.blob2{width:220px;height:220px;background:var(--gold);bottom:5%;right:-6%;animation:float2 16s ease-in-out infinite;}
.blob3{width:180px;height:180px;background:var(--red);top:55%;left:60%;animation:float1 11s ease-in-out infinite reverse;}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(30px,40px) scale(1.1);}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-25px,-35px) scale(1.08);}}
@media (prefers-reduced-motion: reduce){
  .blob{animation:none !important;}
  *{scroll-behavior:auto !important;}
}

.hero-content{position:relative;z-index:2;max-width:1080px;margin:0 auto;padding:0 22px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;font-size:.78rem;letter-spacing:.06em;
  color:var(--primary-2);background:color-mix(in srgb, var(--primary) 12%, transparent);
  padding:7px 14px;border-radius:30px;border:1px solid color-mix(in srgb, var(--primary) 30%, transparent);
  margin-bottom:22px;
}
.hero h1{font-size:clamp(2.4rem,9vw,4.2rem);font-weight:700;color:var(--text);}
.hero h1 .highlight{
  background:linear-gradient(100deg,var(--gold),var(--red) 60%,var(--primary));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:inline-block;
}
.hero-sub{font-size:clamp(1rem,3.2vw,1.3rem);color:var(--text-muted);margin-top:18px;font-weight:500;}
.hero-sub strong{color:var(--text);}
#typed{color:var(--gold);font-family:'JetBrains Mono',monospace;font-weight:500;}
#typed::after{content:'|';animation:blink 1s step-start infinite;color:var(--primary-2);}
@keyframes blink{50%{opacity:0;}}

.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag{
  font-size:.82rem;font-weight:600;padding:8px 15px;border-radius:30px;
  background:var(--surface);border:1px solid var(--border);color:var(--text-muted);
  box-shadow:var(--shadow);transition:.3s;
}
.tag:hover{transform:translateY(-3px);color:var(--primary);border-color:var(--primary);}

.scroll-cta{
  display:inline-flex;align-items:center;gap:10px;margin-top:44px;
  font-weight:600;font-size:.92rem;color:var(--text-muted);
}
.arrow{display:inline-block;animation:bounce 1.8s infinite;}
@keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(7px);}}

/* ============ SECTION GENERAL ============ */
.section{padding:100px 0;position:relative;}
.section.alt-bg{background:var(--bg-alt);}
.section-head{display:flex;align-items:baseline;gap:16px;margin-bottom:48px;}
.section-num{
  font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--gold);
  border:1px solid var(--border);padding:5px 11px;border-radius:20px;font-weight:500;
}
.section-head h2{font-size:clamp(1.7rem,5.5vw,2.5rem);color:var(--text);}

.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s cubic-bezier(.2,.7,.3,1),transform .8s cubic-bezier(.2,.7,.3,1);}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ============ ABOUT ============ */
.about-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}
.about-photo{position:relative;}
.about-photo img{
  border-radius:22px;width:100%;object-fit:cover;box-shadow:var(--shadow);
  border:1px solid var(--border);aspect-ratio:3/4;object-position:center 20%;
  cursor:zoom-in;transition:transform .5s;
}
.about-photo img:hover{transform:scale(1.02);}
.photo-badge{
  position:absolute;bottom:-16px;left:16px;background:var(--surface);
  padding:9px 16px;border-radius:14px;box-shadow:var(--shadow);font-size:.8rem;
  font-weight:600;border:1px solid var(--border);
}
.about-text p{color:var(--text-muted);margin-bottom:22px;font-size:1.02rem;}
.info-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:30px;}
.info-card{
  background:var(--card-grad);border:1px solid var(--border);border-radius:16px;
  padding:16px;display:flex;gap:12px;align-items:center;transition:.35s;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.ic-emoji{font-size:1.5rem;}
.info-card h4{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-weight:600;}
.info-card p{font-size:.95rem;font-weight:600;color:var(--text);}
.why-field{
  background:var(--surface);border-left:3px solid var(--gold);border-radius:14px;
  padding:22px;box-shadow:var(--shadow);
}
.why-field h3{font-size:1.15rem;margin-bottom:10px;color:var(--primary);}
.why-field p{color:var(--text-muted);margin:0;}

/* ============ CAMPUS ============ */
.campus-hero{
  display:flex;align-items:center;gap:22px;margin-bottom:36px;
  background:var(--surface);padding:24px;border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--border);
}
.campus-logo{width:78px;height:78px;flex-shrink:0;animation:spin-slow 22s linear infinite;}
@keyframes spin-slow{from{transform:rotate(0);}to{transform:rotate(360deg);}}
.campus-hero h3{font-size:1.4rem;color:var(--text);}
.campus-hero p{color:var(--text-muted);font-size:.92rem;margin-top:4px;}

.campus-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:44px;}
.campus-gallery img{
  border-radius:18px;height:200px;width:100%;object-fit:cover;box-shadow:var(--shadow);
  cursor:zoom-in;transition:transform .5s;border:1px solid var(--border);
}
.campus-gallery img:hover{transform:scale(1.03);}

.tabs{background:var(--surface);border-radius:20px;box-shadow:var(--shadow);border:1px solid var(--border);overflow:hidden;}
.tab-buttons{display:flex;border-bottom:1px solid var(--border);}
.tab-btn{
  flex:1;padding:18px 10px;font-weight:600;font-size:.95rem;color:var(--text-muted);
  transition:.3s;position:relative;
}
.tab-btn.active{color:var(--primary);}
.tab-btn.active::after{
  content:'';position:absolute;bottom:-1px;left:20%;right:20%;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--red));border-radius:3px;
}
.tab-panel{display:none;padding:30px 26px;}
.tab-panel.active{display:block;animation:fadeIn .5s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

.reason-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--border);color:var(--text-muted);
}
.reason-list li:last-child{border-bottom:none;}
.reason-list li::before{content:'✦';color:var(--gold);font-size:1.1rem;flex-shrink:0;}

.step-list li{display:flex;gap:16px;padding:16px 0;}
.step-num{
  width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;
  font-family:'Space Grotesk',sans-serif;font-size:.95rem;
}
.step-list h4{font-size:1rem;color:var(--text);margin-bottom:3px;}
.step-list p{color:var(--text-muted);font-size:.92rem;}

/* ============ INSPIRATION ============ */
.opp-intro{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;margin-bottom:50px;}
.opp-photos{display:grid;grid-template-columns:1.2fr 1fr;grid-template-rows:1fr 1fr;gap:12px;height:340px;}
.opp-photos img{
  border-radius:16px;width:100%;height:100%;object-fit:cover;box-shadow:var(--shadow);
  cursor:zoom-in;transition:transform .4s;border:1px solid var(--border);filter:grayscale(15%);
}
.opp-photos img:hover{transform:scale(1.03);filter:grayscale(0%);}
.opp-photos img:nth-child(1){grid-row:1/3;}
.opp-role{color:var(--gold);font-weight:600;font-size:.88rem;margin:6px 0 14px;text-transform:uppercase;letter-spacing:.04em;}
.opp-text h3{font-size:1.6rem;margin-bottom:2px;}
.opp-text p{color:var(--text-muted);}

.lessons-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:50px;}
.lesson-card{
  background:var(--card-grad);border:1px solid var(--border);border-radius:18px;padding:22px 18px;
  text-align:center;transition:.35s;
}
.lesson-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--primary);}
.lesson-card span{font-size:2rem;display:block;margin-bottom:10px;}
.lesson-card h4{font-size:.98rem;margin-bottom:8px;color:var(--text);}
.lesson-card p{font-size:.85rem;color:var(--text-muted);}

.why-inspiration{
  background:linear-gradient(120deg, color-mix(in srgb, var(--primary) 10%, var(--surface)), var(--surface));
  border-radius:20px;padding:32px;border:1px solid var(--border);box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.why-inspiration::before{
  content:'"';position:absolute;top:-30px;right:10px;font-size:9rem;font-family:'Space Grotesk',serif;
  color:color-mix(in srgb, var(--gold) 25%, transparent);
}
.why-inspiration h3{color:var(--primary);margin-bottom:14px;font-size:1.25rem;}
.why-inspiration p{color:var(--text-muted);position:relative;z-index:1;}

/* ============ CTA / CONTACT ============ */
.cta-section{text-align:center;padding-bottom:60px;}
.cta-section h2{font-size:clamp(1.6rem,6vw,2.4rem);margin-bottom:16px;}
.cta-section p{color:var(--text-muted);max-width:520px;margin:0 auto;}
.cta-badges{display:flex;justify-content:center;gap:14px;margin-top:30px;flex-wrap:wrap;}
.cta-badges span{
  padding:10px 18px;border-radius:30px;background:var(--surface);border:1px solid var(--border);
  font-size:.85rem;font-weight:600;box-shadow:var(--shadow);
}

footer{
  text-align:center;padding:34px 20px calc(34px + env(safe-area-inset-bottom));
  color:var(--text-muted);font-size:.82rem;border-top:1px solid var(--border);
}
footer strong{color:var(--gold);}

/* ============ LIGHTBOX ============ */
.lightbox{
  position:fixed;inset:0;background:var(--overlay);z-index:9998;
  display:flex;align-items:center;justify-content:center;padding:26px;
  opacity:0;visibility:hidden;transition:.35s;backdrop-filter:blur(6px);
}
.lightbox.open{opacity:1;visibility:visible;}
.lightbox img{
  max-width:100%;max-height:85vh;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.5);
  transform:scale(.85);transition:transform .35s;
}
.lightbox.open img{transform:scale(1);}
.lightbox-close{
  position:absolute;top:24px;right:24px;width:42px;height:42px;border-radius:50%;
  background:rgba(255,255,255,0.1);color:#fff;font-size:1.3rem;display:flex;
  align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2);
}

/* ============ BACK TO TOP ============ */
.back-top{
  position:fixed;bottom:24px;right:20px;width:46px;height:46px;border-radius:50%;
  background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(20px);
  transition:.4s;z-index:800;font-size:1.1rem;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:active{transform:scale(.9);}

/* ============ MOBILE ============ */
@media (max-width:860px){
  .about-grid,.opp-intro{grid-template-columns:1fr;}
  .opp-photos{order:-1;}
  .lessons-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .wrap{padding:0 18px;}
  .nav-links{
    position:fixed;top:0;right:-100%;width:78%;max-width:320px;height:100vh;height:100svh;
    background:var(--bg-alt);flex-direction:column;align-items:stretch;
    padding:100px 26px 40px;gap:6px;transition:.45s cubic-bezier(.2,.8,.3,1);
    box-shadow:-10px 0 40px rgba(0,0,0,.25);border-left:1px solid var(--border);
  }
  .nav-links.open{right:0;}
  .nav-link{padding:14px 18px;font-size:1rem;border-radius:12px;}
  .hamburger{display:flex;}
  .theme-toggle{margin-left:auto;margin-right:10px;}
  .hero{padding:110px 0 60px;}
  .info-cards{grid-template-columns:1fr;}
  .campus-gallery{grid-template-columns:1fr;}
  .campus-hero{flex-direction:column;text-align:center;}
  .lessons-grid{grid-template-columns:1fr 1fr;}
  .opp-photos{height:auto;grid-template-columns:1fr 1fr;grid-template-rows:auto;}
  .opp-photos img:nth-child(1){grid-row:auto;grid-column:1/3;height:220px;}
  .opp-photos img{height:140px;}
  .section{padding:70px 0;}
  .tab-btn{font-size:.82rem;padding:15px 6px;}
}
@media (max-width:400px){
  .lessons-grid{grid-template-columns:1fr;}
}